2788299 has 6 divisors (see below), whose sum is σ = 4027556. Its totient is φ = 1858860.

The previous prime is 2788297. The next prime is 2788301. The reversal of 2788299 is 9928872.

It is an interprime number because it is at equal distance from previous prime (2788297) and next prime (2788301).

It is not a de Polignac number, because 2788299 - 2¹ = 2788297 is a prime.

It is a super-2 number, since 2×2788299² = 15549222626802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2788297) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154897 + ... + 154914.

2^2788299 is an apocalyptic number.

2788299 is a deficient number, since it is larger than the sum of its proper divisors (1239257).

2788299 is a wasteful number, since it uses less digits than its factorization.

2788299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309817 (or 309814 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 2788299 is about 1669.8200501850. The cubic root of 2788299 is about 140.7493661286.

The spelling of 2788299 in words is "two million, seven hundred eighty-eight thousand, two hundred ninety-nine".